YUI is a free, open source JavaScript and CSS framework for building richly interactive web applications.
Why YUI?
Fast
YUI's lightweight core and modular architecture make it scalable, fast, and robust. Built by frontend engineers at Yahoo!, YUI powers the most popular websites in the world.
Complete
YUI's intuitive and well-documented API takes you from basic DOM handling to building performant and maintainable applications on desktop browsers, mobile devices, and servers.
Industrial Strength
A thriving community, a carefully architected infrastructure, and a comprehensive suite of tools help you code like a pro, from simple web pages to complex web applications.
Free & Open
YUI is free for all uses and is developed in the open on GitHub. Core team members can always be found in the forums and the #yui IRC channel on Freenode. Pull requests welcome!
A Few Examples
YUI Theater Videos
-
YUI Open Hours: YUIDoc Updates and Travis CI Integration
In this YUI Open Hours session from May 24, 2012, YUI engineer Dav Glass gives us an update on the awesomeness that is YUIDoc and a look into YUI's automated unit testing on Travis CI.
-
YUI Open Hours: 3.5.0 Uploader
In this YUI Open Hours session from May 10, 2012, YUI engineer Allen Rabinovich provides a guided tour of the latest version of the YUI Uploader component, released with 3.5.0.
-
YUI Open Hours: 3.5.0 DataTable rendering tricks
DataTable developer Luke Smith talks about the rendering algorithm and demonstrates some of the ways to customize the table data with column configurations and formatters.
YUI Theater on YouTube
@yuilibrary on Twitter
-
Like YUI 3? Twitter Bootstrap? Join us for Open Hours this Thursday to introduce @jshirley's YUI 3 fork of Bootstrap: yuiblog.com/blog/2012/05/2… -
YUI 3 Cookbook is now available in DRM-free ebook formats! Apple iBooks: itunes.apple.com/us/book/yui-3-… Amazon Kindle: amazon.com/YUI-3-Cookbook…
-
The recording of today's Open Hours is up on YouTube: youtube.com/watch?v=25SVek…
-
Open Hours starts in an hour (10am PDT) yuiblog.com/blog/2012/05/2… We'll be talking with @davglass about YUIDoc updates and @travisci integration
-
ls_n Great Q&A about how to structure the server side code to work with YUI's App framework (really, general good practice) yuilibrary.com/forum/viewtopi…Retweeted by @yuilibrary
Follow YUI on Twitter